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Re: line-by-line profiling
> >>>>> "Jan" == Jan Hubicka <jh@suse.cz> writes:
>
> >> How do I get line-by-line profiling to work? I'm using gcc-3.2 linux
> >> binutils-2.13.90.0.2-2.
> >>
> >> The instructions in gprof say to turn on basic block profiling using
> >> gcc -a. Apparantly this flag is obsolete? I'm guessing it should be
> >> -fprofile-arcs?
> >>
> >> Compiling with g++ -pg -g -mcpu=athlon-xp -march=athlon-xp -O6
> >> -ffast-math -fprofile-arcs, then running
> >>
> >> gprof -l exechns27 > prof
> >>
> >> The results I get don't seem to make sense. What am I doing wrong?
>
> Jan> Compiling with g++ -mcpu=athlon-xp -march=athlon-xp -O6 -ftest-coverage
> Jan> -ffast-math -fprofile-arcs, then running
>
> Jan> gcov source.c
>
> Any way to get line-by-line timing info? I see only how to get
> execution count from gcov, I'm really looking for profile of execution
> time.
Only way to get estimate of this is oprofile.
Honza